package com.itheima.reggie.common;

//全局异常处理器

import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

@RestControllerAdvice //对控制层的通知
@Slf4j
public class GlobalExceptionHandler {
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex) {
        log.error(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")) {
            String[] s = ex.getMessage().split(" ");
            String msg = s[2].replace("'", "") + "已存在";
            return R.error(msg);
        }
        return R.error("未知异常");
    }
        //异常处理器，专门处理CustomExceptione类型的异常
    @ExceptionHandler(CustomException.class)
    public R<String> CustomExceptionHandler(CustomException ex) {
         return R.error(ex.getMessage());

    }


}
